Search

David E. Lotter

Examiner (ID: 7263, Phone: (571)270-7422 , Office: P/2845 )

Most Active Art Unit
2845
Art Unit(s)
2845, 2821, 2844
Total Applications
828
Issued Applications
690
Pending Applications
68
Abandoned Applications
94

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1928464 [patent_doc_number] => 04285022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-18 [patent_title] => 'Devices adapted to detect variations in magnetic flux notably circuit breakers' [patent_app_type] => 1 [patent_app_number] => 6/058261 [patent_app_country] => US [patent_app_date] => 1979-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4754 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/285/04285022.pdf [firstpage_image] =>[orig_patent_app_number] => 058261 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/058261
Devices adapted to detect variations in magnetic flux notably circuit breakers Jul 16, 1979 Issued
Array ( [id] => 1951522 [patent_doc_number] => 04321649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-23 [patent_title] => 'Surge voltage arrester with ventsafe feature' [patent_app_type] => 1 [patent_app_number] => 6/054667 [patent_app_country] => US [patent_app_date] => 1979-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2493 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/321/04321649.pdf [firstpage_image] =>[orig_patent_app_number] => 054667 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/054667
Surge voltage arrester with ventsafe feature Jul 4, 1979 Issued
Array ( [id] => 1988159 [patent_doc_number] => 04346421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-24 [patent_title] => 'Fault detector' [patent_app_type] => 1 [patent_app_number] => 6/054023 [patent_app_country] => US [patent_app_date] => 1979-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1494 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346421.pdf [firstpage_image] =>[orig_patent_app_number] => 054023 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/054023
Fault detector Jul 1, 1979 Issued
Array ( [id] => 1941597 [patent_doc_number] => 04327394 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-27 [patent_title] => 'Inductive load drive circuit utilizing a bi-level output comparator and a flip-flop to set three different levels of load current' [patent_app_type] => 1 [patent_app_number] => 6/053007 [patent_app_country] => US [patent_app_date] => 1979-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 8515 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/327/04327394.pdf [firstpage_image] =>[orig_patent_app_number] => 053007 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/053007
Inductive load drive circuit utilizing a bi-level output comparator and a flip-flop to set three different levels of load current Jun 27, 1979 Issued
Array ( [id] => 1884549 [patent_doc_number] => 04303957 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-01 [patent_title] => 'Gap condition sensing circuit for electrical discharge machining power supply' [patent_app_type] => 1 [patent_app_number] => 6/052403 [patent_app_country] => US [patent_app_date] => 1979-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1222 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/303/04303957.pdf [firstpage_image] =>[orig_patent_app_number] => 052403 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/052403
Gap condition sensing circuit for electrical discharge machining power supply Jun 26, 1979 Issued
Array ( [id] => 2203170 [patent_doc_number] => 04503478 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Transistor power amplifier circuit' [patent_app_type] => 1 [patent_app_number] => 6/052207 [patent_app_country] => US [patent_app_date] => 1979-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6983 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/503/04503478.pdf [firstpage_image] =>[orig_patent_app_number] => 052207 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/052207
Transistor power amplifier circuit Jun 25, 1979 Issued
Array ( [id] => 2033136 [patent_doc_number] => 04377834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Multiphase blocking circuitry for electrical power supply networks' [patent_app_type] => 1 [patent_app_number] => 6/044389 [patent_app_country] => US [patent_app_date] => 1979-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2613 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377834.pdf [firstpage_image] =>[orig_patent_app_number] => 044389 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/044389
Multiphase blocking circuitry for electrical power supply networks May 31, 1979 Issued
Array ( [id] => 1886286 [patent_doc_number] => 04296452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-20 [patent_title] => 'Multiphase fault protection circuitry with variable functional level detection' [patent_app_type] => 1 [patent_app_number] => 6/044388 [patent_app_country] => US [patent_app_date] => 1979-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3798 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/296/04296452.pdf [firstpage_image] =>[orig_patent_app_number] => 044388 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/044388
Multiphase fault protection circuitry with variable functional level detection May 31, 1979 Issued
Array ( [id] => 1866004 [patent_doc_number] => 04295174 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-13 [patent_title] => 'Multi-series group capacitor bank protection equipment' [patent_app_type] => 1 [patent_app_number] => 6/043531 [patent_app_country] => US [patent_app_date] => 1979-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3332 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/295/04295174.pdf [firstpage_image] =>[orig_patent_app_number] => 043531 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/043531
Multi-series group capacitor bank protection equipment May 28, 1979 Issued
Array ( [id] => 1879293 [patent_doc_number] => 04286302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-25 [patent_title] => 'Electrical capacitor protective arrangement' [patent_app_type] => 1 [patent_app_number] => 6/042585 [patent_app_country] => US [patent_app_date] => 1979-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1701 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/286/04286302.pdf [firstpage_image] =>[orig_patent_app_number] => 042585 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/042585
Electrical capacitor protective arrangement May 24, 1979 Issued
Array ( [id] => 1951503 [patent_doc_number] => 04321644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-23 [patent_title] => 'Power line transient limiter' [patent_app_type] => 1 [patent_app_number] => 6/042279 [patent_app_country] => US [patent_app_date] => 1979-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2137 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/321/04321644.pdf [firstpage_image] =>[orig_patent_app_number] => 042279 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/042279
Power line transient limiter May 23, 1979 Issued
Array ( [id] => 1897122 [patent_doc_number] => 04282556 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-04 [patent_title] => 'Input protection device for insulated gate field effect transistor' [patent_app_type] => 1 [patent_app_number] => 6/041085 [patent_app_country] => US [patent_app_date] => 1979-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 2802 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/282/04282556.pdf [firstpage_image] =>[orig_patent_app_number] => 041085 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/041085
Input protection device for insulated gate field effect transistor May 20, 1979 Issued
Array ( [id] => 1865420 [patent_doc_number] => 04270157 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-26 [patent_title] => 'Power supply protection circuit' [patent_app_type] => 1 [patent_app_number] => 6/038079 [patent_app_country] => US [patent_app_date] => 1979-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3227 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/270/04270157.pdf [firstpage_image] =>[orig_patent_app_number] => 038079 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/038079
Power supply protection circuit May 10, 1979 Issued
Array ( [id] => 1865799 [patent_doc_number] => 04268884 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-19 [patent_title] => 'Current sensing circuit' [patent_app_type] => 1 [patent_app_number] => 6/036629 [patent_app_country] => US [patent_app_date] => 1979-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3968 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/268/04268884.pdf [firstpage_image] =>[orig_patent_app_number] => 036629 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/036629
Current sensing circuit May 6, 1979 Issued
Array ( [id] => 1933400 [patent_doc_number] => 04262320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-04-14 [patent_title] => 'H-switch configuration for controlling latching solenoids' [patent_app_type] => 1 [patent_app_number] => 6/035525 [patent_app_country] => US [patent_app_date] => 1979-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2626 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/262/04262320.pdf [firstpage_image] =>[orig_patent_app_number] => 035525 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/035525
H-switch configuration for controlling latching solenoids May 2, 1979 Issued
Array ( [id] => 1872666 [patent_doc_number] => 04259704 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-03-31 [patent_title] => 'Protective circuit for zinc oxide varistors' [patent_app_type] => 1 [patent_app_number] => 6/032013 [patent_app_country] => US [patent_app_date] => 1979-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1446 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/259/04259704.pdf [firstpage_image] =>[orig_patent_app_number] => 032013 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/032013
Protective circuit for zinc oxide varistors Apr 19, 1979 Issued
Array ( [id] => 1893325 [patent_doc_number] => 04288830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-09-08 [patent_title] => 'Overvoltage protector' [patent_app_type] => 1 [patent_app_number] => 6/030487 [patent_app_country] => US [patent_app_date] => 1979-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2641 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/288/04288830.pdf [firstpage_image] =>[orig_patent_app_number] => 030487 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/030487
Overvoltage protector Apr 15, 1979 Issued
Array ( [id] => 1865418 [patent_doc_number] => 04270156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-26 [patent_title] => 'Electronic synchronization monitor' [patent_app_type] => 1 [patent_app_number] => 6/028559 [patent_app_country] => US [patent_app_date] => 1979-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1370 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/270/04270156.pdf [firstpage_image] =>[orig_patent_app_number] => 028559 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/028559
Electronic synchronization monitor Apr 8, 1979 Issued
Array ( [id] => 1914820 [patent_doc_number] => 04271449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-02 [patent_title] => 'Method and apparatus for protecting alternating current circuits' [patent_app_type] => 1 [patent_app_number] => 6/027129 [patent_app_country] => US [patent_app_date] => 1979-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1544 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/271/04271449.pdf [firstpage_image] =>[orig_patent_app_number] => 027129 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/027129
Method and apparatus for protecting alternating current circuits Apr 3, 1979 Issued
Array ( [id] => 1865815 [patent_doc_number] => 04268887 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-19 [patent_title] => 'Protective system for power stage of IC amplifier' [patent_app_type] => 1 [patent_app_number] => 6/025539 [patent_app_country] => US [patent_app_date] => 1979-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2328 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/268/04268887.pdf [firstpage_image] =>[orig_patent_app_number] => 025539 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/025539
Protective system for power stage of IC amplifier Mar 29, 1979 Issued
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